codonopsinine
National Institutes of Health
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Methicillin-resistant Staphylococcus aureus (MRSA) is a nosocomialrelated and economically-relevant Gram-positive bacterial…
The total syntheses of codonopsinine (1) and 4-epi-codonopsinine (2) were accomplished. The key substituted pyrrole intermediate…
This is the first report on an intramolecular C-N bond formation of an amide-tethered benzylic/allylic system using DDQ under…
This thesis describes synthetic approaches towards indolizidine and pyrrolidine alkaloids.
The total synthesis of indolizidine…
Radicamine B 2, the enantiomer of natural radicamine B 5, was synthesized via a chiral nitrone derived from D-xylose in 10 steps…
In studies towards the synthesis of substituted pyrroles, the Knight group have adapted an aldol reaction, originally developed…
The isolation of the alkaloids codonopsine (1) and codonopsinine (2) from the aerial part of Codonopsis clematidea (harebell…
An assignment of the signals in the13C NMR spectra of the alkaloids codonopsinine and codonopsine has been made on the basis of…
SummaryThe spatial structures of codonopsine and codonopsinine have been determined by high-resolution NMR spectroscopy.